年薪制
参考答案：
是指以年度为单位决定薪酬的一种制度。
—________ free education, the poor children in our hometown can go to school.
—So can the poor children in our hometown. [ ]
A. Thanks to
B. Instead of
C. As for
D. Thanks for
什么是数据冗余？它会引起哪些操作异常？
